884  
FXUS65 KFGZ 070553  
AFDFGZ  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE FLAGSTAFF AZ  
1053 PM MST TUE MAY 6 2025  
   
SYNOPSIS
 
LOW PRESSURE WILL MOVE THROUGH THE REGION BRINGING  
CHANCES FOR SHOWERS AND THUNDERSTORMS THROUGH WEDNESDAY. HIGH  
PRESSURE WILL BUILD IN FOR THURSDAY AND FRIDAY WITH WARMER AND DRIER  
CONDITIONS EXPECTED. A WEAK SYSTEM WILL PASS TO THE SOUTH OF THE  
REGION OVER THE WEEKEND, WITH ISOLATED SHOWERS POSSIBLE ACROSS  
EASTERN ARIZONA.  
 

 
   
UPDATE
 
SOME SHOWERS AND THUNDERSTORMS REMAIN OVER YAVAPAI  
COUNTY THIS EVENING, WITH MORE ISOLATED ACTIVITY ELSEWHERE.  
SHOWERS SHOULD CONTINUE THROUGH THE OVERNIGHT ACROSS YAVAPAI AND  
PORTIONS OF THE NAVAJO NATION. ELSEWHERE, PATCHY FOG AND LINGERING  
LOW CLOUDS CAN BE EXPECTED.  
 
MINOR UPDATES THIS EVENING FOR LATEST TRENDS AND HI-RES GUIDANCE.  
 

 
   
PREV DISCUSSION /444 PM MST/
 
LOW PRESSURE HAS MOVED WELL EAST  
OF THE REGION BUT SHOWERS ON THE WESTERN PERIPHERY CONTINUE TO  
MOVE THROUGH THE STATE THIS AFTERNOON. WITH LIMITED INSTABILITY,  
THUNDER HAS BEEN HARD TO COME BY BUT ENOUGH BREAKS IN THE CLOUDS  
HAVE ALLOWED FOR SOME SURFACE HEATING AND A FEW ISOLATED STORMS  
MAY CONTINUE TO DEVELOP INTO THIS EVENING. WITH PLENTY OF LOW  
LEVEL MOISTURE ACROSS THE REGION, THERE IS THE POSSIBILITY FOR LOW  
CLOUDS/FOG AGAIN TONIGHT SO SLOW DOWN ON AREA ROADS IF YOU  
ENCOUNTER FOG WHEN OUT AND ABOUT TONIGHT.  
 
WHILE THE REMNANTS OF THIS LOW WILL PUSH OFF TO THE EAST TONIGHT,  
ANOTHER LOW WILL DIVE DOWN THROUGH THE GREAT BASIN AND BRING MORE  
CHANCES FOR SHOWERS AND THUNDERSTORMS ACROSS THE AREA ON WEDNESDAY.  
THIS LOW MOVES OUT PRETTY QUICKLY AND ALL SHOWER/STORM ACTIVITY  
SHOULD CUT OFF WEDNESDAY EVENING.  
 
A RIDGE OF HIGH PRESSURE WILL START TO MAKE ITS WAY INTO THE DESERT  
SOUTHWEST LATE WEDNESDAY AND HANGS AROUND FOR THURSDAY AND FRIDAY.  
THIS WILL BRING DRIER CONDITIONS ALONG WITH MARKEDLY WARMER  
TEMPERATURES THAN WE HAVE HAD THE PAST SEVERAL DAYS. WINDS WILL STAY  
ON THE LIGHTER SIDE AROUND 5-15 MPH EACH AFTERNOON.  
 
BY THE WEEKEND, THE MODELS KEEP TRYING TO BRING IN A WEAK LOW FROM  
THE SOUTHWEST. THE STRENGTH OF THE RIDGE APPEARS TO BE TOO MUCH AND  
THE LOW REMAINS OFF TO OUR SOUTH. A TIGHTENING OF THE PRESSURE  
GRADIENT SHOULD BEING IN SOME GUSTIER WINDS BUT MOISTURE REMAINS  
LIMITED. HOWEVER, THE FLOW FROM THE SOUTHEAST MAY BE ENOUGH TO ALLOW  
FOR SOME SHOWERS ACROSS OUR EASTERN ZONES FOR SATURDAY (ALONG THE  
EASTERN MOGOLLON RIM, WHITE MOUNTAINS, AND CHUSKA MOUNTAINS) AND  
SUNDAY (MAINLY ALONG THE AZ/NM BORDER). MAJORITY OF THE CLUSTERS  
REMAIN DRY SO CHANCES STILL LOOK SLIM BUT WE WILL CONTINUE TO WATCH  
HOW THIS UNFOLDS IN THE COMING DAYS.  
 

 
   
AVIATION...WEDNESDAY 07/06Z THROUGH THURSDAY 08/06Z
 
LINGERING  
-SHRA PRIMARILY IN YAVAPAI COUNTY WILL BRING MVFR-IFR CONDITIONS  
TONIGHT. ADDITIONALLY, LOW CLOUDS AND PATCHY FOG BRINGING IFR-  
LIFR CONDITIONS WILL LINGER OVER THE HIGHER TERRAIN TONIGHT. SCT  
SHOWERS BRINGING PERIODS OF MVFR RETURN AFTER 18Z. WINDS ARE VRB  
AT 10 KTS OR LESS, BUT GUSTY AND ERRATIC WINDS ARE POSSIBLY NEAR  
SHOWERS.  
 
OUTLOOK...THURSDAY 08/06Z THROUGH SATURDAY 10/06Z...VFR CONDITIONS  
ARE EXPECTED. WINDS ARE NW-N 10-15 KTS ON THURSDAY, THEN NE-E 5-10  
KTS ON FRIDAY.  
 

 
   
FIRE WEATHER...WEDNESDAY AND THURSDAY
 
SCATTERED SHOWERS AND  
THUNDERSTORMS CONTINUE THROUGH WEDNESDAY AFTERNOON, THEN WARMER AND  
DRY ON THURSDAY AS TEMPERATURES RETURN TO SEASONAL AVERAGES. WINDS W-  
NW 5-10 MPH ON WEDNESDAY, NE 5-10 MPH THURSDAY.  
 
FRIDAY THROUGH SUNDAY...WARM AND DRY ON FRIDAY, SLIGHT CHANCE OF  
HIGH-ELEVATION AFTERNOON SHOWERS AND THUNDERSTORMS ON SATURDAY, THEN  
DRY AGAIN ON SUNDAY. TEMPERATURES ARE 5-10 DEGREES ABOVE AVERAGE  
EACH DAY. WINDS NE-E 5-10 MPH ON FRIDAY, E-SE 5-10 MPH SATURDAY, S-  
SW 10-15 MPH SUNDAY.  
 

 
   
FGZ WATCHES/WARNINGS/ADVISORIES
 
NONE.  
 

 
 

 
 
PUBLIC...HUMPHREYS/MEOLA  
AVIATION...LEWANDOWSKI  
FIRE WEATHER...LEWANDOWSKI  
 
FOR NORTHERN ARIZONA WEATHER INFORMATION VISIT  
WEATHER.GOV/FLAGSTAFF  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab AZ Page Main Text Page